Answer:

Step-by-step explanation:
Given the equation

Note that

and

Combined, 
Solve the equation:

Since
this is the solution to the equation.
brainly being slow today so i did my work on this attachment
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Answer:
By dividing the top number by the bottom.
Step-by-step explanation:
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The correct answer is B.
Feet below sea level means that the higher number, the lower the elevation. B has the highest number.